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How many four digit positive integers have exactly two even numbers?
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How many four digit positive integers have exactly two even numbers?

User Jbr
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1 Answer

3 votes

Answer:

You will need to eaither choose 2 odd numbers and 1 even number or choose 2 even numbers and 1 odd number

Explanation:

In both cases we will be choosing two from 5 and 1 from 4

User Bmillare
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